Muscular Adaptations II

Question 1

True/False: Muscle angiogenesis reduces the surface area for oxygen diffusion?

Answer 1

False, angiogenesis is concerned with development of new vessels which increases the surface area for oxygen diffusion

Question 2

What would higher levels of succinate dehydrogenase in a muscle indicate?

1. Higher ATP-PCr breakdown capacity
2. Higher lactate turnover rates
3. Higher glycolytic capacity
4. Higher oxidative capacity

Answer 2

Higher oxidative capacity

Question 3

After a 12 week endurance training intervention, how would you expect fuel utilisation during submaximal energy to change?

1. Increased glycogen and fat utilisation
2. Decreased glycogen and fat utilisation
3. Decreased glycogen and increased fat utilisation
4. Increased glycogen and decreased fat utilisation

Answer 3

3. Decreased glycogen and increased fat utilisation

Question 4

What is the most important factor for changes in insulin sensitivity?

1. Exercise volume
2. Exercise altitude
3. Exercise time
4. Exercise intensity

Answer 4

3. Exercise time

Question 5

What is angiogenesis?

Answer 5

The growth of blood vessels

Question 6

True/False: Over an endurance programme, the amount and the size of mitochondria increases

Answer 6

True

Question 7

What is the process of Mitochondrial Biogenesis?

Answer 7

1. Signal event
2. Master switch
3. Cascade of activation - Protein kinases
4. Amplification of multiple targets
5. Regulation of metabolic pathway, Regulation of gene expression or regulation of protein synthesis